/**
* Ensure that {@link GridComputeJobMasterLeaveAware} callback is invoked on job which is
* initiated by master and is currently running on it.
*
* @throws Exception If failed.
*/
public void testLocalJobOnMaster() throws Exception {
invokeLatch = new CountDownLatch(1);
jobLatch = new CountDownLatch(1);
Grid g = startGrid(0);
g.compute().execute(new TestTask(1), null);
jobLatch.await();
// Count down the latch in a separate thread.
new Thread(
new Runnable() {
@Override
public void run() {
try {
U.sleep(500);
} catch (GridInterruptedException ignore) {
// No-op.
}
latch.countDown();
}
})
.start();
stopGrid(0, true);
latch.countDown();
assert invokeLatch.await(5000, MILLISECONDS);
}
/**
* Executes example.
*
* @param args Command line arguments, none required.
* @throws GridException If example execution failed.
*/
public static void main(String[] args) throws Exception {
Timer timer = new Timer("priceBars");
// Start grid.
final Grid g = GridGain.start("examples/config/example-streamer.xml");
System.out.println();
System.out.println(">>> Streaming price bars example started.");
try {
TimerTask task = scheduleQuery(g, timer);
streamData(g);
// Force one more run to get final results.
task.run();
timer.cancel();
// Reset all streamers on all nodes to make sure that
// consecutive executions start from scratch.
g.compute()
.broadcast(
new Runnable() {
@Override
public void run() {
if (!ExamplesUtils.hasStreamer(g, "priceBars"))
System.err.println(
"Default streamer not found (is example-streamer.xml "
+ "configuration used on all nodes?)");
else {
GridStreamer streamer = g.streamer("priceBars");
System.out.println("Clearing bars from streamer.");
streamer.reset();
}
}
})
.get();
} finally {
GridGain.stop(true);
}
}